…for the thousands of users of the operating system Windows Vista , which is waiting for more than a year the apparatus of a variant be it and beta, a Yahoo! Messenger for Windows Vista.
Matrix Mode , is the last candy “hidden feature” a Y!M Preview . Nothing useful and nothing fun. It's one “feature” which gathers several winds of active conversations, in a single window. Hell of a mess, because if you're not careful which one is active, you risk sending messages to unwanted destinations.

I think that the development team Yahoo! Messenger Vista , he could have produced something much more useful to cover it the lack of options from Y!M Vista, except this one Matrix Mode . For example, to do something with archives conversations, which on Y!M Vista cannot be saved, or to add webcam option ,voice, etc. Y!M 8.1 , or SA … or SA… Are many lacks . :/
In fine … for those who use Windows Vista and have installed Yahoo! Messenger Vista, activating Matrix Mode is done by pressing the keys: Ctrl + Alt + Shift + b
Good night! :-)
P.S. Articles about Yahoo! Messenger (including Vista) and Windows Live Messenger, Find on www.ymvista.com . At the moment, it is a bit poor in positions, but it promises to develop :)